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The effective shear strength of artificially overconsolidated clays with continuous fissures, or with discontinuous or partial fissuring, has been discussed from both the experimental and numerical points of view.Direct ...

Over the past several decades, raise excavation has been widely employed in underground mining, civil engineering and military engineering. One-step raise excavation with burn cuts, where all the boreholes are pre-drilled ...

The performance of a tunnel boring machine (TBM) depends on the efficiency of the cutters, which can be influenced by geological conditions and rock mass properties. In this study, a three-dimensional numerical model, ...